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Err Msg: Another Program Is Using the Selected Telephony...

This article was previously published under Q158370
SYMPTOMS
When you add a second modem to a computer and attempt to use it, youmay receive the following error message:
Another program is using the selected telephony device. Try again after other program completes.
CAUSE
This error message occurs if a telephony program was started before themodem was added.
RESOLUTION
You must shut down and restart the computer before you can use the secondmodem.
MORE INFORMATION
When a modem is used, the following components are loaded into memory:
  • Modem.sys
  • Tapisrv.exe
  • Unimodem.tsp
Until these components are unloaded, a TAPI-aware program cannot use amodem that was added after these components were started.
prodnt
Properties

Article ID: 158370 - Last Review: 11/01/2006 04:39:47 - Revision: 1.1

  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • kbsetup KB158370
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